Advertisements
Advertisements
Question
What is meant by the photolysis of water?
Solution
The splitting of water molecules into two-component ions by light is known as photolysis of water.
(Photo = Light, lysis = Breaking).
H2 —> H+ + OH–
APPEARS IN
RELATED QUESTIONS
The process of conversion of ADP into ATP during photosynthesis.
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Name the factor studied in this experiment.
Distinguish between the following:
Photosynthesis and photophosphorylation.
Mention two ways in which photosynthesis is useful to life.
Match the terms of column I with those in column II:
Column I | Column II |
(i) Stomata closed | (a) decomposers |
(ii) Autotrophs | (b) light reaction |
(iii) By-products of photosynthesis | (c) animals |
(iv) Photolysis | (d) during night |
(v) Bacteria and fungi | (e) green plants |
( f) oxygen |
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Explain the term Phosphorylation.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Choose the Odd One Out
Choose the Odd One Out
Choose the Correct Answer:
Which would do maximum harm to a tree?
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
______ is ATP factory of the cells.
Give an example for micronutrients.